2 Two masses are attached to a uniform meter stick as shown in the figure below. The masses of m1 and m2 are as given and the meter stick weighs 150 g. A force F with unknown magnitude is applied on one end of the stick at an angle of 30° to balance the system. 30 cm 40 cm 30 cm 30 m, m2 50 g 75 g (a) What is the magnitude of F? (Ans: 6.21 N) (b) What are the reaction forces on the support? (Ans: R. = 5.38 N; R, = 5.80 N)

2 Two masses are attached to a uniform meter stick as shown in the figure below. The masses of m1 and m2 are as given and the meter stick weighs 150 g. A force F with unknown magnitude is applied on one end of the stick at an angle of 30° to balance the system. 30 cm 40 cm 30 cm 30 m, m2 50 g 75 g (a) What is the magnitude of F? (Ans: 6.21 N) (b) What are the reaction forces on the support? (Ans: R. = 5.38 N; R, = 5.80 N)

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

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3. Two masses are attached to a uniform meter stick as shown in the figure below. The
masses of m1 and m2 are as given and the meter stick weighs 150 g. A force F with
unknown magnitude is applied on one end of the stick at an angle of 30° to balance
the system.
30 cm
40 cm
30 cm
30
50 g
758
(a) What is the magnitude of F? (Ans: 6.21 N)
(b) What are the reaction forces on the support? (Ans: R = 5.38 N; R, = 5.80 N)

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